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See Chinese contents: GB 5009.190-2014 GB 5009.190-2014: National Food Safety Standard -- Determination of Indicator Polychlorinated Biphenyls in Foods
Method I in this standard specifies the determination methods for polychlorinated biphenyls (PCBs), including indicator PCBs (PCB28, PCB52, PCB101, PCB118, PCB138, PCB153 and PCB180) as well as PCB18, PCB33, PCB44, PCB70, PCB105, PCB128, PCB170, PCB187, PCB194, PCB195, PCB199 and PCB206 in foods specified in the Global Environmental Monitoring System/Food Planning Part. Method II specifies the determination methods of PCB28, PCB52, PCB101, PCB118, PCB138, PCB153 and PCB180. This standard is applicable to the determination of indicator PCBs in animal-based foods (like fish, shellfish, egg, meat, milk and their products) and oil and fat samples. Method I Stable Isotope Diluted Gas Chromatography-mass Spectrometry
